Question

If in each number, all the digits are written in

Q: Answer-If in each number, all the digits are written in descending order, last digit of how many numbers th...

642 875 446 355 748 642 875 644 553 874

descending order, last digit of how many numbers thus formed will be a prime number? These questions are based on the following set of numbers: 642 875 446 355 748

A 1

B 2

C 3

D 4

E 5

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If in each number, all the digits are written in

Solution